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. 2014 May 2;5:3754. doi: 10.1038/ncomms4754

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(a) Two intact coaxial fibres woven with cotton fibres. (b) Optical macroscopic image of a. (c) Cloth woven by two individual coaxial fibres. (d) Supercapacitor device based on the cloth fabricated by two coaxial fibres (denoted as i and ii, respectively). (e) GCD curves of the cloth supercapacitor (1 represents initial cloth supercapacitor without bending, and 2, 3, 4 show cloth supercapacitor with bending angles of 180° along three directions). Scale bars, 1 cm (a) and 200 μm (b).